Open Source Visualization Projects
Discover 39 open source Visualization repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Visualization projects here are most often combined with Python, TypeScript and Library. Last updated October 3, 2026.
39 repositories · updated October 3, 2026
rio: Build Web Apps in Python
Rio is a Python framework for building interactive web apps and local GUI applications with component-based interfaces. It suits Python developers who want to create polished interfaces without writing HTML, CSS, or JavaScript.
vanna: Turn Natural-Language Questions into SQL Insights
Vanna helps teams build chat interfaces that translate natural-language questions into SQL and return streamed tables, charts, and summaries. It is aimed at applications that need database-backed answers with user-aware permissions and an embedded web UI.
tremor-npm: Build React Charts and Dashboards
Tremor NPM is a set of React components for building charts and analytical dashboards with Tailwind CSS. It suits frontend teams that want ready-made data visualizations and interface components rather than building them from scratch.
gaussian-splatting: Reconstruct and Render 3D Scenes in Real Time
The authors’ reference implementation of 3D Gaussian Splatting, which reconstructs scenes from posed images and renders novel viewpoints. It suits graphics and vision researchers and practitioners with CUDA-capable GPUs who need a trainable, interactive scene representation.
mini-graph-card: Graph Home Assistant Sensor History
A customizable Lovelace card that displays current sensor states alongside compact history graphs. It suits Home Assistant users who want sensor trends and readings in a configurable dashboard card.
quantstats: Analyze Portfolio Performance and Risk
QuantStats is a Python library for analyzing investment return series with performance metrics, risk statistics, visualizations, and reports. It suits quants and portfolio managers who want to profile and compare strategies from periodic returns.
theatre: Create and Edit Motion Graphics for the Web
Theatre.js is a TypeScript animation library with visual tools for creating detailed motion graphics on the web. Use it to animate 3D scenes, HTML and SVG, or other JavaScript values, either programmatically or through its editor.
PyQtGraph: Fast Data Visualization and GUI Tools for Scientific Applications
PyQtGraph is a powerful, pure-Python graphics library tailored for scientific and engineering applications. It provides fast data visualization and GUI tools, leveraging NumPy for numerical processing, Qt's GraphicsView for 2D, and OpenGL for 3D displays. This makes it an excellent choice for high-performance data plotting and interactive interfaces.
Obsidian Model Viewer: Embed 3D Models in Your Obsidian Vault
Obsidian Model Viewer is a powerful plugin that integrates interactive 3D models directly into your Obsidian vault. Utilizing Google's <model-viewer> component, it enables seamless viewing and embedding of glTF/GLB files within your notes. This enhances your knowledge base by allowing you to visualize complex 3D data alongside your text.
mcp-server-chart: Generate Charts Through MCP
A TypeScript MCP server that lets AI clients generate AntV visualizations and use them for data analysis. It suits people who want chart generation as an MCP tool, with support for more than 25 chart types and multiple transports.
rerun: Explore and Query Multimodal Robotics Data
Rerun is a data platform for logging, exploring, and querying synchronized visual and sensor data over time. It helps robotics and computer vision teams debug systems, inspect recordings, and prepare data for training.
karpor: Explore and Understand Kubernetes Clusters
Karpor is a Kubernetes visualization tool for searching resources and gaining operational insight across clusters. It helps platform and developer teams inspect compliance, resource relationships, and Kubernetes events, with AI-assisted capabilities.